Definition of Triangular number

1. Noun. (mathematics) Any integer that is the sum of ''n'' natural numbers from 1 to ''n''. ¹

¹ Source:

Lexicographical Neighbors of Triangular Number

triangular colon
triangular colons
triangular crest
triangular disk of wrist
triangular division
triangular divisions
triangular fold
triangular fossa
triangular fovea of arytenoid cartilage
triangular lamella
triangular ligaments of liver
triangular muscle
triangular nucleus
triangular number (current term)
triangular numbers
triangular part
triangular pit of arytenoid cartilage
triangular prism
triangular prisms
triangular pyramid
triangular pyramids
triangular ridge
triangular uterus
triangularis muscle

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